Arrays
Collections
- Convert LinkedList to Array
- Convert a List (ArrayList) to an Array
- Using a Set (or HashSet)
- Using a Queue (or LinkedList)
- Creating and storing arrays in a map
- Using a Set (or HashSet
- Remove duplicate items from an ArrayList
- Convert a Queue to a List (LinkedList to ArrayList)
- Using BufferedReader to read input number from user
- Read Input From User and Write to File
- How to rename a file (change file name)
- Remove a line from a text file
- Loading configuration parameters from textfile into a program
- Using the LineNumberReader class
- Change last modified time of a file or directory
- Create a directory (or several directories)
- Masking a password with the Console class




